Search a number
-
+
211220112002 = 2292199631039
BaseRepresentation
bin1100010010110110110…
…0110010001010000010
3202012012021220102122012
43010231230302022002
511430034322041002
6241011100012522
721155142220544
oct3045554621202
9665167812565
10211220112002
118163a279439
1234b29231142
1316bc1a231c3
14a31a2cb694
1557634e1d52
hex312db32282

211220112002 has 24 divisors (see below), whose sum is σ = 329781504000. Its totient is φ = 101455765488.

The previous prime is 211220111959. The next prime is 211220112011. The reversal of 211220112002 is 200211022112.

It is a super-2 number, since 2×2112201120022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19199 + ... + 650237.

It is an arithmetic number, because the mean of its divisors is an integer number (13740896000).

Almost surely, 2211220112002 is an apocalyptic number.

211220112002 is a deficient number, since it is larger than the sum of its proper divisors (118561391998).

211220112002 is a wasteful number, since it uses less digits than its factorization.

211220112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631298 (or 631269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211220112002 its reverse (200211022112), we get a palindrome (411431134114).

The spelling of 211220112002 in words is "two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two".

Divisors: 1 2 29 58 199 398 841 1682 5771 11542 167359 334718 631039 1262078 18300131 36600262 125576761 251153522 530703799 1061407598 3641726069 7283452138 105610056001 211220112002